The negative ion element will become the gas source center and form an ejection in the process of evaporation of coating material, so decrease the damage threshold of the coatings.
并且提出负离子元素在膜料蒸发过程中形成气源中心，产生喷溅，从而使薄膜的损伤阈值降低。
Negative ion is called "longevity element", which is a natural cleaner of the air and vitamin in the air.
负离子被称为“长寿素”，是空气中的自然清洁白器或空气中的维他命。
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